/*
 * Copyright (C) 2005-2011 MaNGOS <http://www.getmangos.com/>
 *
 * Copyright (C) 2008-2011 Trinity <http://www.trinitycore.org/>
 *
 * Copyright (C) 2010-2011 ProjectSkyfire <http://www.projectskyfire.org/>
 * 
 * Copyright (C) 2011 ArkCORE <http://www.arkania.net/>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#ifndef _SQLOPERATION_H
#define _SQLOPERATION_H

#include <ace/Method_Request.h>
#include <ace/Activation_Queue.h>

#include "QueryResult.h"

//- Forward declare (don't include header to prevent circular includes)
class PreparedStatement;

//- Union that holds element data
union SQLElementUnion {
	PreparedStatement* stmt;
	const char* query;
};

//- Type specifier of our element data
enum SQLElementDataType {
	SQL_ELEMENT_RAW, SQL_ELEMENT_PREPARED,
};

//- The element
struct SQLElementData {
	SQLElementUnion element;
	SQLElementDataType type;
};

//- For ambigious resultsets
union SQLResultSetUnion {
	PreparedResultSet* presult;
	ResultSet* qresult;
};

class MySQLConnection;

class SQLOperation: public ACE_Method_Request {
public:
	SQLOperation() :
			m_conn(NULL) {
	}
	;
	virtual int call() {
		Execute();
		return 0;
	}
	virtual bool Execute() = 0;
	virtual void SetConnection(MySQLConnection* con) {
		m_conn = con;
	}

	MySQLConnection* m_conn;
};

#endif
